CN1833990A - Environment protection hydraulic auxilary power system of hoisting machinery - Google Patents
Environment protection hydraulic auxilary power system of hoisting machinery Download PDFInfo
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- CN1833990A CN1833990A CN 200510025753 CN200510025753A CN1833990A CN 1833990 A CN1833990 A CN 1833990A CN 200510025753 CN200510025753 CN 200510025753 CN 200510025753 A CN200510025753 A CN 200510025753A CN 1833990 A CN1833990 A CN 1833990A
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Abstract
An environment protection type energy-saving hydraulic auxiliary power system for the hoisting machines (hoist, winder, elevator, fork truck, etc) is composed of hydraulic power system, hydraulic energy accumulator, hydraulic channel controller and timing power controller. It features that when the cargo is lifting, the hydraulic energy in hydraulic energy accumulator is used for boosting, and when the cargo is staying in sky, and its potential energy is converted to hydraulic energy and then stored in accumulator.
Description
Technical field
What the present invention relates to is a kind of environment protection, energy saving auxilary power system that is used for the lifting elevating gear, especially for lifting elevating gears such as hoisting crane, winch, elevator, elevator, fork trucks, belongs to the operation transport field, lifting elevating gear class.
Background technology
When with the driving engine being the work such as hoisting crane, winch, elevator, elevator, fork truck of power, power and energy that the starting stage of goods lifting (by static to upward movement), needs were bigger, often make driving engine be in overwork, cause consumption increase, discharging black smoke to increase and exhaust emission increases, the placement stage after the goods lifting (by static to descending motion) need overcome the movement of falling object that goods potential energy causes, control descending speed and held stationary placement with certain power and energy.
Find by literature search, the Chinese invention patent application number is: 02151021.0, this patent disclosure the container in tire type hoisting crane of super capacitor, utilize one group of super capacitor as the buffering propulsion source, at hoisting crane starting stage rapid discharge, for electrical motor provides electric energy; In the charging of hoisting crane decline stage, reclaim the potential energy of decline process.The present invention has the characteristics of environmental protection and energy saving.Because price height, poor reliability, the system maintenance difficulty of super capacitor are applied it and are restricted at present.
Summary of the invention
The present invention is directed to the deficiencies in the prior art and defective, a kind of environment protection hydraulic auxilary power system of hoisting machinery that constitutes with hydraulic power system (Hydraulic Pump operating mode/HM Hydraulic Motor operating mode), hydraulic energy storage device, hydraulic circuit controller, sequential power controller etc. is provided.In the starting stage (hydraulic pressure auxiliary power stage) of goods lifting, can come the work of auxiliary engine power system with the hydraulic pressure in the hydraulic energy storage device, avoid the driving engine overwork, reduce fuel oil consumption, reduce discharging black smoke and exhaust emission; In the placement stage (potential energy recovery stage) after goods lifting, the potential energy of goods reclaimed be converted into hydraulic pressure and can be stored in the hydraulic energy storage device.
The present invention is achieved through the following technical solutions.The present invention mainly comprises: hydraulic power system, the hydraulic circuit controller, hydraulic energy storage device, the sequential power controller, the engine power system, engine power system power-transfer clutch, the hydraulic power system power-transfer clutch, speed reduction gearing, lifting lift system etc., its connection mode is: an end of hydraulic power system (Hydraulic Pump operating mode mouth) connects with hydraulic energy storage device by the hydraulic circuit controller, the other end of hydraulic power system (HM Hydraulic Motor operating mode mouth) connects with speed reduction gearing by the hydraulic power power-transfer clutch, engine power system power-transfer clutch is connected between speed reduction gearing and the engine power system, the hydraulic power system power-transfer clutch is connected between speed reduction gearing and the hydraulic power system, and the sequential power controller connects engine power system's power-transfer clutch and hydraulic power system power-transfer clutch.
The engine power system can be a driving engine, also can be engine driven generators, generator drive electrical motor.
At the potential energy recovery stage, hydraulic power system is the Hydraulic Pump operating mode, and hydraulic power system is rotated in the forward, and the potential energy of goods is reclaimed by speed reduction gearing change into hydraulic pressure and can and be stored in the hydraulic energy storage device.
In the hydraulic pressure auxiliary power stage, hydraulic power system is the HM Hydraulic Motor operating mode, and the hydraulic power system contrarotation can change into the hydraulic pressure in the hydraulic energy storage device mechanical energy and provide the starting moment of torsion to the lifting lift system by speed reduction gearing.
The hydraulic circuit controller is according to the pressure condition of the residing rising of lifting gig or descent mode and hydraulic energy storage device, the working flow of modulated pressure power system and operation pressure.
Engine power system power-transfer clutch is used to control the power joint and cut-out of engine power system, and the power that the hydraulic power system power-transfer clutch is used for the modulated pressure power system engages and cut-out.
The effect of sequential power controller is: guarantee hydraulic power system work earlier in the starting stage of goods lifting, provide the starting moment of torsion to the lifting lift system, reduce the workload of engine power system, make driving engine under economy and anti-emission carburetor pollution operating mode, work the environmental protection of realization driving engine and energy-conservation; At the potential energy recovery stage, in time engage or cut off the hydraulic pressure energy that the hydraulic power system power-transfer clutch makes hydraulic power system reclaim to the hydraulic energy storage device input, and make in the hydraulic energy storage device pressure control in allowed limits, in time engage or combustion cutoff system power-transfer clutch guarantees that the decline put procedure of lifting lift system is steady; When being engine driven generators, generator drive electrical motor for the engine power system, the sequential power controller in time cuts off the exciting current of electrical motor at the potential energy recovery stage, the electromagnetic resistance when reducing the electrical motor inverted running.
The present invention has substantive distinguishing features and marked improvement.The invention provides a kind of environment protection hydraulic auxilary power system of hoisting machinery that constitutes with hydraulic power system (Hydraulic Pump operating mode/HM Hydraulic Motor operating mode), hydraulic energy storage device, hydraulic circuit controller, sequential power controller etc., can the work of auxiliary engine power system in starting stage of goods lifting with the hydraulic pressure in the hydraulic energy storage device, the placement stage after the goods lifting reclaims the potential energy of goods and is converted into hydraulic pressure and can be stored in the hydraulic energy storage device.The present invention has avoided the driving engine overwork, has reduced fuel oil consumption, has reduced discharging black smoke and exhaust emission, is the critical part of environmental protection and energy saving lifting elevating gear, and huge economic benefit and social benefit are arranged.
Description of drawings
Fig. 1 is a system schematic of the present invention
The specific embodiment
As shown in Figure 1, the present invention mainly comprises: hydraulic power system 1, hydraulic circuit controller 2, hydraulic energy storage device 3, sequential power controller 4, engine power system 5, engine power system power-transfer clutch 6, hydraulic power system power-transfer clutch 7, speed reduction gearing 8, lifting lift system 9 etc., its connection mode is: the Hydraulic Pump mouth of hydraulic power system 1 connects with hydraulic energy storage device 3 by hydraulic circuit controller 2, the HM Hydraulic Motor mouth of hydraulic power system 1 connects with speed reduction gearing 8 by hydraulic power power-transfer clutch 7, engine power system power-transfer clutch 6 is connected between speed reduction gearing 8 and the engine power system 5, hydraulic power system power-transfer clutch 7 is connected between speed reduction gearing 8 and the hydraulic power system 1, and sequential power controller 4 connects engine power system's power-transfer clutch 6 and hydraulic power system power-transfer clutch 7.
Engine power system 5 can be a driving engine, also can be engine driven generators, generator drive electrical motor.
When hydraulic power system 1 is the Hydraulic Pump operating mode, the potential energy of goods reclaimed by speed reduction gearing 8 changes into hydraulic pressure and can and be stored in the hydraulic energy storage device 3.
When hydraulic power system 1 is the HM Hydraulic Motor operating mode, the hydraulic pressure in the hydraulic energy storage device 3 can be changed into mechanical energy and provide the starting moment of torsion to lifting lift system 9 by speed reduction gearing 8.
Hydraulic circuit controller 2 is according to the pressure condition of the 9 residing risings of lifting lift system or descent mode and hydraulic energy storage device 3, the working flow of modulated pressure power system 1 and operation pressure.
When being engine driven generators, generator drive electrical motor for engine power system 1, sequential power controller 4 in time cuts off the exciting current of electrical motor at the potential energy recovery stage, the electromagnetic resistance when reducing the electrical motor inverted running.
Claims (7)
1, a kind of environment protection hydraulic auxilary power system of hoisting machinery, comprise: engine power system (5), engine power system power-transfer clutch (6), reductor (8), lifting lift system (9), it is characterized in that also comprising: hydraulic power system (1), hydraulic circuit controller (2), hydraulic energy storage device (3), sequential power controller (4), hydraulic power system power-transfer clutch (7), its connection mode is: the Hydraulic Pump mouth of hydraulic power system (1) connects with hydraulic energy storage device (3) by hydraulic circuit controller (2), the HM Hydraulic Motor mouth of hydraulic power system (1) connects with speed reduction gearing (8) by hydraulic power power-transfer clutch (7), engine power system power-transfer clutch (6) is connected between speed reduction gearing (8) and the engine power system (5), hydraulic power system power-transfer clutch (7) is connected between speed reduction gearing (8) and the hydraulic power system (1), and sequential power controller (4) connects engine power system's power-transfer clutch (6) and hydraulic power system power-transfer clutch (7).
2, this environment protection hydraulic auxilary power system of hoisting machinery according to claim 1 is characterized in that engine power system (5) is a driving engine.
3, this environment protection hydraulic auxilary power system of hoisting machinery according to claim 1 is characterized in that engine power system (5) is engine driven generators, generator drive electrical motor.
4, this environment protection hydraulic auxilary power system of hoisting machinery according to claim 1, it is characterized in that hydraulic power system (1) when the Hydraulic Pump operating mode, the potential energy of goods is changed into hydraulic pressure by speed reduction gearing (8) recovery can and be stored in the hydraulic energy storage device (3).
5, this environment protection hydraulic auxilary power system of hoisting machinery according to claim 1, when it is characterized in that hydraulic power system (1), the hydraulic pressure in the hydraulic energy storage device (3) can be changed into mechanical energy and provide the starting moment of torsion to lifting lift system (9) by speed reduction gearing (8) for the HM Hydraulic Motor operating mode.
6, this environment protection hydraulic auxilary power system of hoisting machinery according to claim 1, it is characterized in that the pressure condition of hydraulic circuit controller (2), the working flow and the operation pressure of modulated pressure power system (1) according to the residing rising of lifting lift system (9) or descent mode and hydraulic energy storage device (3).
7, this environment protection hydraulic auxilary power system of hoisting machinery according to claim 1, when it is characterized in that being engine driven generators, generator drive electrical motor for engine power system (5), sequential power controller (4) is at the potential energy recovery stage, in time cut off the exciting current of electrical motor, the electromagnetic resistance when reducing the electrical motor inverted running.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100257539A CN100537406C (en) | 2005-05-11 | 2005-05-11 | Environment protection hydraulic auxilary power system of hoisting machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100257539A CN100537406C (en) | 2005-05-11 | 2005-05-11 | Environment protection hydraulic auxilary power system of hoisting machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1833990A true CN1833990A (en) | 2006-09-20 |
| CN100537406C CN100537406C (en) | 2009-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100257539A Expired - Fee Related CN100537406C (en) | 2005-05-11 | 2005-05-11 | Environment protection hydraulic auxilary power system of hoisting machinery |
Country Status (1)
| Country | Link |
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| CN (1) | CN100537406C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102408075A (en) * | 2011-11-09 | 2012-04-11 | 三一集团有限公司 | Energy-saving type crane |
| CN102583184A (en) * | 2012-02-06 | 2012-07-18 | 青岛海西重机有限责任公司 | Electric energy consumption type backup emergency load release device for crane in power failure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3280397A (en) * | 1964-03-25 | 1966-10-18 | Otis Elevator Co | Industrial truck |
-
2005
- 2005-05-11 CN CNB2005100257539A patent/CN100537406C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102408075A (en) * | 2011-11-09 | 2012-04-11 | 三一集团有限公司 | Energy-saving type crane |
| CN102583184A (en) * | 2012-02-06 | 2012-07-18 | 青岛海西重机有限责任公司 | Electric energy consumption type backup emergency load release device for crane in power failure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100537406C (en) | 2009-09-09 |
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| C14 | Grant of patent or utility model | ||
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Owner name: SHANGHAI SHENZHOU VEHICLE ENERGY SAVING + ENVIRONM Free format text: FORMER OWNER: SHENZHOU AUTO DESIGN + DEVELOPMENT CO., LTD. SHANGHAI JIAOTONG UNIV. Effective date: 20111124 |
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Free format text: CORRECT: ADDRESS; FROM: 200030 XUHUI, SHANGHAI TO: 201104 MINHANG, SHANGHAI |
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| TR01 | Transfer of patent right |
Effective date of registration: 20111124 Address after: 201104 Shanghai city Minhang District Chunshen Road No. 2328 No. 3 Patentee after: Shanghai Shenzhou Vehicle Energy Saving & Environmental Protection Co., Ltd. Address before: 200030, B, 12 floor, Shentong Information Plaza, 55 Huaihai West Road, Shanghai Patentee before: Shenzhou Auto Design & Development Co., Ltd. Shanghai Jiaotong Univ. |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090909 Termination date: 20140511 |